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Our planet earth is surrounded by a gaseous layer called Atmosphere which is divided into various other layers having its own specific traits and functions. Elaborate.

Topic: Salient features of world’s physical geography.

1. Our planet earth is surrounded by a gaseous layer called Atmosphere which is divided into various other layers having its own specific traits and functions. Elaborate. (250 words).

Difficulty level: Easy

Reference: Insights on India

Why the question:

The question is part of the static syllabus of General studies paper – 1.

Key Demand of the question:

To how the regions of the atmosphere are divided on the basis of temperature, the explanation of each layer along with the reasons how they are significant for us.

Directive word: 

Elaborate – Give a detailed account as to how and why it occurred, or what is the context. You must be defining key terms wherever appropriate and substantiate with relevant associated facts.

Structure of the answer:

Introduction: 

Write about the temperature classification and atmosphere can be divided into troposphere, the stratosphere, the mesosphere and the thermosphere.

Body:

Draw a neat labelled diagram of the layers of atmosphere which will help you save up on words as well as provide an opportunity to mention in more facts and details.

Explain the above layers and how they are significant for us. For instance, flights fly in tropopause to evade turbulence, the significance of ionosphere for radio communication etc.

Conclusion:

Conclude by summarising the importance of atmosphere.